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<p>Your browser doesn't support frames Please upgrade your browser to take advantage of all features of <a href="http://firewall.com/" target="_top">www.firewall.com</a>. </p> <p>Click on the link to proceed to <a href="http://firewall.com/papers/gateway_cheswick.ps.gz" target="_top">Design of a Secure Internet Gateway</a> - Cheswick, Bill; 1990; GZip'd Postscript; 17k ``Details the history and design of AT&T's Internet gateway.